

aa;
`__FILE__
`__LINE__
`celldefine
`end_keywords
`resetall
`unconnected_drive
`undefineall
  
`ifdef AA
`else
`endif
`ifndef AA
`elsif FOO
`endif
  
`begin_keywords "FOO"
`undef FOO
  
`line 2 "xx" 2
`include "YY"
`include <YY>
`pragma endofline
`timescale 10ns/10ps
`define foo bar
